diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c
index 44574fbe7482..d16237a6ffaa 100644
--- a/drivers/dma-buf/dma-buf.c
+++ b/drivers/dma-buf/dma-buf.c
@@ -795,7 +795,7 @@ static struct sg_table * __map_dma_buf(struct dma_buf_attachment *attach,
 }
 
 /**
- * dma_buf_dynamic_attach - Add the device to dma_buf's attachments list
+ * dma_buf_dynamic_attach_unlocked - Add the device to dma_buf's attachments list
  * @dmabuf:		[in]	buffer to attach device to.
  * @dev:		[in]	device to be attached.
  * @importer_ops:	[in]	importer operations for the attachment
@@ -817,9 +817,9 @@ static struct sg_table * __map_dma_buf(struct dma_buf_attachment *attach,
  * indicated with the error code -EBUSY.
  */
 struct dma_buf_attachment *
-dma_buf_dynamic_attach(struct dma_buf *dmabuf, struct device *dev,
-		       const struct dma_buf_attach_ops *importer_ops,
-		       void *importer_priv)
+dma_buf_dynamic_attach_unlocked(struct dma_buf *dmabuf, struct device *dev,
+				const struct dma_buf_attach_ops *importer_ops,
+				void *importer_priv)
 {
 	struct dma_buf_attachment *attach;
 	int ret;
@@ -892,25 +892,25 @@ dma_buf_dynamic_attach(struct dma_buf *dmabuf, struct device *dev,
 	if (dma_buf_is_dynamic(attach->dmabuf))
 		dma_resv_unlock(attach->dmabuf->resv);
 
-	dma_buf_detach(dmabuf, attach);
+	dma_buf_detach_unlocked(dmabuf, attach);
 	return ERR_PTR(ret);
 }
-EXPORT_SYMBOL_NS_GPL(dma_buf_dynamic_attach, DMA_BUF);
+EXPORT_SYMBOL_NS_GPL(dma_buf_dynamic_attach_unlocked, DMA_BUF);
 
 /**
- * dma_buf_attach - Wrapper for dma_buf_dynamic_attach
+ * dma_buf_attach_unlocked - Wrapper for dma_buf_dynamic_attach
  * @dmabuf:	[in]	buffer to attach device to.
  * @dev:	[in]	device to be attached.
  *
- * Wrapper to call dma_buf_dynamic_attach() for drivers which still use a static
- * mapping.
+ * Wrapper to call dma_buf_dynamic_attach_unlocked() for drivers which still
+ * use a static mapping.
  */
-struct dma_buf_attachment *dma_buf_attach(struct dma_buf *dmabuf,
-					  struct device *dev)
+struct dma_buf_attachment *dma_buf_attach_unlocked(struct dma_buf *dmabuf,
+						   struct device *dev)
 {
-	return dma_buf_dynamic_attach(dmabuf, dev, NULL, NULL);
+	return dma_buf_dynamic_attach_unlocked(dmabuf, dev, NULL, NULL);
 }
-EXPORT_SYMBOL_NS_GPL(dma_buf_attach, DMA_BUF);
+EXPORT_SYMBOL_NS_GPL(dma_buf_attach_unlocked, DMA_BUF);
 
 static void __unmap_dma_buf(struct dma_buf_attachment *attach,
 			    struct sg_table *sg_table,
@@ -923,7 +923,7 @@ static void __unmap_dma_buf(struct dma_buf_attachment *attach,
 }
 
 /**
- * dma_buf_detach - Remove the given attachment from dmabuf's attachments list
+ * dma_buf_detach_unlocked - Remove the given attachment from dmabuf's attachments list
  * @dmabuf:	[in]	buffer to detach from.
  * @attach:	[in]	attachment to be detached; is free'd after this call.
  *
@@ -931,7 +931,8 @@ static void __unmap_dma_buf(struct dma_buf_attachment *attach,
  *
  * Optionally this calls &dma_buf_ops.detach for device-specific detach.
  */
-void dma_buf_detach(struct dma_buf *dmabuf, struct dma_buf_attachment *attach)
+void dma_buf_detach_unlocked(struct dma_buf *dmabuf,
+			     struct dma_buf_attachment *attach)
 {
 	if (WARN_ON(!dmabuf || !attach))
 		return;
@@ -956,14 +957,14 @@ void dma_buf_detach(struct dma_buf *dmabuf, struct dma_buf_attachment *attach)
 
 	kfree(attach);
 }
-EXPORT_SYMBOL_NS_GPL(dma_buf_detach, DMA_BUF);
+EXPORT_SYMBOL_NS_GPL(dma_buf_detach_unlocked, DMA_BUF);
 
 /**
  * dma_buf_pin - Lock down the DMA-buf
  * @attach:	[in]	attachment which should be pinned
  *
- * Only dynamic importers (who set up @attach with dma_buf_dynamic_attach()) may
- * call this, and only for limited use cases like scanout and not for temporary
+ * Only dynamic importers (who set up @attach with dma_buf_dynamic_attach_unlocked())
+ * may call this, and only for limited use cases like scanout and not for temporary
  * pin operations. It is not permitted to allow userspace to pin arbitrary
  * amounts of buffers through this interface.
  *
@@ -1010,7 +1011,7 @@ void dma_buf_unpin(struct dma_buf_attachment *attach)
 EXPORT_SYMBOL_NS_GPL(dma_buf_unpin, DMA_BUF);
 
 /**
- * dma_buf_map_attachment - Returns the scatterlist table of the attachment;
+ * dma_buf_map_attachment_locked - Returns the scatterlist table of the attachment;
  * mapped into _device_ address space. Is a wrapper for map_dma_buf() of the
  * dma_buf_ops.
  * @attach:	[in]	attachment whose scatterlist is to be returned
@@ -1030,8 +1031,9 @@ EXPORT_SYMBOL_NS_GPL(dma_buf_unpin, DMA_BUF);
  * Important: Dynamic importers must wait for the exclusive fence of the struct
  * dma_resv attached to the DMA-BUF first.
  */
-struct sg_table *dma_buf_map_attachment(struct dma_buf_attachment *attach,
-					enum dma_data_direction direction)
+struct sg_table *
+dma_buf_map_attachment_unlocked(struct dma_buf_attachment *attach,
+				enum dma_data_direction direction)
 {
 	struct sg_table *sg_table;
 	int r;
@@ -1097,10 +1099,10 @@ struct sg_table *dma_buf_map_attachment(struct dma_buf_attachment *attach,
 #endif /* CONFIG_DMA_API_DEBUG */
 	return sg_table;
 }
-EXPORT_SYMBOL_NS_GPL(dma_buf_map_attachment, DMA_BUF);
+EXPORT_SYMBOL_NS_GPL(dma_buf_map_attachment_unlocked, DMA_BUF);
 
 /**
- * dma_buf_unmap_attachment - unmaps and decreases usecount of the buffer;might
+ * dma_buf_unmap_attachment_unlocked - unmaps and decreases usecount of the buffer;might
  * deallocate the scatterlist associated. Is a wrapper for unmap_dma_buf() of
  * dma_buf_ops.
  * @attach:	[in]	attachment to unmap buffer from
@@ -1109,9 +1111,9 @@ EXPORT_SYMBOL_NS_GPL(dma_buf_map_attachment, DMA_BUF);
  *
  * This unmaps a DMA mapping for @attached obtained by dma_buf_map_attachment().
  */
-void dma_buf_unmap_attachment(struct dma_buf_attachment *attach,
-				struct sg_table *sg_table,
-				enum dma_data_direction direction)
+void dma_buf_unmap_attachment_unlocked(struct dma_buf_attachment *attach,
+				       struct sg_table *sg_table,
+				       enum dma_data_direction direction)
 {
 	might_sleep();
 
@@ -1133,7 +1135,7 @@ void dma_buf_unmap_attachment(struct dma_buf_attachment *attach,
 	    !IS_ENABLED(CONFIG_DMABUF_MOVE_NOTIFY))
 		dma_buf_unpin(attach);
 }
-EXPORT_SYMBOL_NS_GPL(dma_buf_unmap_attachment, DMA_BUF);
+EXPORT_SYMBOL_NS_GPL(dma_buf_unmap_attachment_unlocked, DMA_BUF);
 
 /**
  * dma_buf_move_notify - notify attachments that DMA-buf is moving
@@ -1330,7 +1332,7 @@ EXPORT_SYMBOL_NS_GPL(dma_buf_end_cpu_access, DMA_BUF);
 
 
 /**
- * dma_buf_mmap - Setup up a userspace mmap with the given vma
+ * dma_buf_mmap_unlocked - Setup up a userspace mmap with the given vma
  * @dmabuf:	[in]	buffer that should back the vma
  * @vma:	[in]	vma for the mmap
  * @pgoff:	[in]	offset in pages where this mmap should start within the
@@ -1343,8 +1345,8 @@ EXPORT_SYMBOL_NS_GPL(dma_buf_end_cpu_access, DMA_BUF);
  *
  * Can return negative error values, returns 0 on success.
  */
-int dma_buf_mmap(struct dma_buf *dmabuf, struct vm_area_struct *vma,
-		 unsigned long pgoff)
+int dma_buf_mmap_unlocked(struct dma_buf *dmabuf, struct vm_area_struct *vma,
+			  unsigned long pgoff)
 {
 	if (WARN_ON(!dmabuf || !vma))
 		return -EINVAL;
@@ -1368,10 +1370,10 @@ int dma_buf_mmap(struct dma_buf *dmabuf, struct vm_area_struct *vma,
 
 	return dmabuf->ops->mmap(dmabuf, vma);
 }
-EXPORT_SYMBOL_NS_GPL(dma_buf_mmap, DMA_BUF);
+EXPORT_SYMBOL_NS_GPL(dma_buf_mmap_unlocked, DMA_BUF);
 
 /**
- * dma_buf_vmap - Create virtual mapping for the buffer object into kernel
+ * dma_buf_vmap_unlocked - Create virtual mapping for the buffer object into kernel
  * address space. Same restrictions as for vmap and friends apply.
  * @dmabuf:	[in]	buffer to vmap
  * @map:	[out]	returns the vmap pointer
@@ -1386,7 +1388,7 @@ EXPORT_SYMBOL_NS_GPL(dma_buf_mmap, DMA_BUF);
  *
  * Returns 0 on success, or a negative errno code otherwise.
  */
-int dma_buf_vmap(struct dma_buf *dmabuf, struct iosys_map *map)
+int dma_buf_vmap_unlocked(struct dma_buf *dmabuf, struct iosys_map *map)
 {
 	struct iosys_map ptr;
 	int ret = 0;
@@ -1422,14 +1424,14 @@ int dma_buf_vmap(struct dma_buf *dmabuf, struct iosys_map *map)
 	mutex_unlock(&dmabuf->lock);
 	return ret;
 }
-EXPORT_SYMBOL_NS_GPL(dma_buf_vmap, DMA_BUF);
+EXPORT_SYMBOL_NS_GPL(dma_buf_vmap_unlocked, DMA_BUF);
 
 /**
- * dma_buf_vunmap - Unmap a vmap obtained by dma_buf_vmap.
+ * dma_buf_vunmap_unlocked - Unmap a vmap obtained by dma_buf_vmap.
  * @dmabuf:	[in]	buffer to vunmap
  * @map:	[in]	vmap pointer to vunmap
  */
-void dma_buf_vunmap(struct dma_buf *dmabuf, struct iosys_map *map)
+void dma_buf_vunmap_unlocked(struct dma_buf *dmabuf, struct iosys_map *map)
 {
 	if (WARN_ON(!dmabuf))
 		return;
@@ -1446,7 +1448,7 @@ void dma_buf_vunmap(struct dma_buf *dmabuf, struct iosys_map *map)
 	}
 	mutex_unlock(&dmabuf->lock);
 }
-EXPORT_SYMBOL_NS_GPL(dma_buf_vunmap, DMA_BUF);
+EXPORT_SYMBOL_NS_GPL(dma_buf_vunmap_unlocked, DMA_BUF);
 
 #ifdef CONFIG_DEBUG_FS
 static int dma_buf_debug_show(struct seq_file *s, void *unused)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
index 782cbca37538..d9ed5a4fbc6f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
@@ -449,8 +449,8 @@ struct drm_gem_object *amdgpu_gem_prime_import(struct drm_device *dev,
 	if (IS_ERR(obj))
 		return obj;
 
-	attach = dma_buf_dynamic_attach(dma_buf, dev->dev,
-					&amdgpu_dma_buf_attach_ops, obj);
+	attach = dma_buf_dynamic_attach_unlocked(dma_buf, dev->dev,
+						 &amdgpu_dma_buf_attach_ops, obj);
 	if (IS_ERR(attach)) {
 		drm_gem_object_put(obj);
 		return ERR_CAST(attach);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 170935c294f5..e354ad140a0a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -883,7 +883,7 @@ static int amdgpu_ttm_backend_bind(struct ttm_device *bdev,
 			struct sg_table *sgt;
 
 			attach = gtt->gobj->import_attach;
-			sgt = dma_buf_map_attachment(attach, DMA_BIDIRECTIONAL);
+			sgt = dma_buf_map_attachment_unlocked(attach, DMA_BIDIRECTIONAL);
 			if (IS_ERR(sgt))
 				return PTR_ERR(sgt);
 
@@ -1008,7 +1008,7 @@ static void amdgpu_ttm_backend_unbind(struct ttm_device *bdev,
 		struct dma_buf_attachment *attach;
 
 		attach = gtt->gobj->import_attach;
-		dma_buf_unmap_attachment(attach, ttm->sg, DMA_BIDIRECTIONAL);
+		dma_buf_unmap_attachment_unlocked(attach, ttm->sg, DMA_BIDIRECTIONAL);
 		ttm->sg = NULL;
 	}
 
diff --git a/drivers/gpu/drm/armada/armada_gem.c b/drivers/gpu/drm/armada/armada_gem.c
index 147abf1a3968..f71f3b2d20e3 100644
--- a/drivers/gpu/drm/armada/armada_gem.c
+++ b/drivers/gpu/drm/armada/armada_gem.c
@@ -66,8 +66,8 @@ void armada_gem_free_object(struct drm_gem_object *obj)
 	if (dobj->obj.import_attach) {
 		/* We only ever display imported data */
 		if (dobj->sgt)
-			dma_buf_unmap_attachment(dobj->obj.import_attach,
-						 dobj->sgt, DMA_TO_DEVICE);
+			dma_buf_unmap_attachment_unlocked(dobj->obj.import_attach,
+							  dobj->sgt, DMA_TO_DEVICE);
 		drm_prime_gem_destroy(&dobj->obj, NULL);
 	}
 
@@ -364,7 +364,7 @@ int armada_gem_pwrite_ioctl(struct drm_device *dev, void *data,
 
 	if (args->offset > dobj->obj.size ||
 	    args->size > dobj->obj.size - args->offset) {
-		DRM_ERROR("invalid size: object size %u\n", dobj->obj.size);
+		DRM_ERROR("invalid size: object size %zu\n", dobj->obj.size);
 		ret = -EINVAL;
 		goto unref;
 	}
@@ -514,13 +514,13 @@ armada_gem_prime_import(struct drm_device *dev, struct dma_buf *buf)
 		}
 	}
 
-	attach = dma_buf_attach(buf, dev->dev);
+	attach = dma_buf_attach_unlocked(buf, dev->dev);
 	if (IS_ERR(attach))
 		return ERR_CAST(attach);
 
 	dobj = armada_gem_alloc_private_object(dev, buf->size);
 	if (!dobj) {
-		dma_buf_detach(buf, attach);
+		dma_buf_detach_unlocked(buf, attach);
 		return ERR_PTR(-ENOMEM);
 	}
 
@@ -539,8 +539,8 @@ int armada_gem_map_import(struct armada_gem_object *dobj)
 {
 	int ret;
 
-	dobj->sgt = dma_buf_map_attachment(dobj->obj.import_attach,
-					   DMA_TO_DEVICE);
+	dobj->sgt = dma_buf_map_attachment_unlocked(dobj->obj.import_attach,
+						    DMA_TO_DEVICE);
 	if (IS_ERR(dobj->sgt)) {
 		ret = PTR_ERR(dobj->sgt);
 		dobj->sgt = NULL;
diff --git a/drivers/gpu/drm/drm_gem_cma_helper.c b/drivers/gpu/drm/drm_gem_cma_helper.c
index 42abee9a0f4f..ee3333f346b7 100644
--- a/drivers/gpu/drm/drm_gem_cma_helper.c
+++ b/drivers/gpu/drm/drm_gem_cma_helper.c
@@ -232,7 +232,7 @@ void drm_gem_cma_free(struct drm_gem_cma_object *cma_obj)
 
 	if (gem_obj->import_attach) {
 		if (cma_obj->vaddr)
-			dma_buf_vunmap(gem_obj->import_attach->dmabuf, &map);
+			dma_buf_vunmap_unlocked(gem_obj->import_attach->dmabuf, &map);
 		drm_prime_gem_destroy(gem_obj, cma_obj->sgt);
 	} else if (cma_obj->vaddr) {
 		if (cma_obj->map_noncoherent)
@@ -581,7 +581,7 @@ drm_gem_cma_prime_import_sg_table_vmap(struct drm_device *dev,
 	struct iosys_map map;
 	int ret;
 
-	ret = dma_buf_vmap(attach->dmabuf, &map);
+	ret = dma_buf_vmap_unlocked(attach->dmabuf, &map);
 	if (ret) {
 		DRM_ERROR("Failed to vmap PRIME buffer\n");
 		return ERR_PTR(ret);
@@ -589,7 +589,7 @@ drm_gem_cma_prime_import_sg_table_vmap(struct drm_device *dev,
 
 	obj = drm_gem_cma_prime_import_sg_table(dev, attach, sgt);
 	if (IS_ERR(obj)) {
-		dma_buf_vunmap(attach->dmabuf, &map);
+		dma_buf_vunmap_unlocked(attach->dmabuf, &map);
 		return obj;
 	}
 
diff --git a/drivers/gpu/drm/drm_gem_shmem_helper.c b/drivers/gpu/drm/drm_gem_shmem_helper.c
index 8ad0e02991ca..c5e7a84ead06 100644
--- a/drivers/gpu/drm/drm_gem_shmem_helper.c
+++ b/drivers/gpu/drm/drm_gem_shmem_helper.c
@@ -299,7 +299,7 @@ static int drm_gem_shmem_vmap_locked(struct drm_gem_shmem_object *shmem,
 	}
 
 	if (obj->import_attach) {
-		ret = dma_buf_vmap(obj->import_attach->dmabuf, map);
+		ret = dma_buf_vmap_unlocked(obj->import_attach->dmabuf, map);
 		if (!ret) {
 			if (WARN_ON(map->is_iomem)) {
 				ret = -EIO;
@@ -382,7 +382,7 @@ static void drm_gem_shmem_vunmap_locked(struct drm_gem_shmem_object *shmem,
 		return;
 
 	if (obj->import_attach) {
-		dma_buf_vunmap(obj->import_attach->dmabuf, map);
+		dma_buf_vunmap_unlocked(obj->import_attach->dmabuf, map);
 	} else {
 		vunmap(shmem->vaddr);
 		drm_gem_shmem_put_pages(shmem);
@@ -617,7 +617,7 @@ int drm_gem_shmem_mmap(struct drm_gem_shmem_object *shmem, struct vm_area_struct
 		drm_gem_object_put(obj);
 		vma->vm_private_data = NULL;
 
-		return dma_buf_mmap(obj->dma_buf, vma, 0);
+		return dma_buf_mmap_unlocked(obj->dma_buf, vma, 0);
 	}
 
 	ret = drm_gem_shmem_get_pages(shmem);
diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c
index a3f180653b8b..b75ef1756873 100644
--- a/drivers/gpu/drm/drm_prime.c
+++ b/drivers/gpu/drm/drm_prime.c
@@ -930,13 +930,13 @@ struct drm_gem_object *drm_gem_prime_import_dev(struct drm_device *dev,
 	if (!dev->driver->gem_prime_import_sg_table)
 		return ERR_PTR(-EINVAL);
 
-	attach = dma_buf_attach(dma_buf, attach_dev);
+	attach = dma_buf_attach_unlocked(dma_buf, attach_dev);
 	if (IS_ERR(attach))
 		return ERR_CAST(attach);
 
 	get_dma_buf(dma_buf);
 
-	sgt = dma_buf_map_attachment(attach, DMA_BIDIRECTIONAL);
+	sgt = dma_buf_map_attachment_unlocked(attach, DMA_BIDIRECTIONAL);
 	if (IS_ERR(sgt)) {
 		ret = PTR_ERR(sgt);
 		goto fail_detach;
@@ -954,9 +954,9 @@ struct drm_gem_object *drm_gem_prime_import_dev(struct drm_device *dev,
 	return obj;
 
 fail_unmap:
-	dma_buf_unmap_attachment(attach, sgt, DMA_BIDIRECTIONAL);
+	dma_buf_unmap_attachment_unlocked(attach, sgt, DMA_BIDIRECTIONAL);
 fail_detach:
-	dma_buf_detach(dma_buf, attach);
+	dma_buf_detach_unlocked(dma_buf, attach);
 	dma_buf_put(dma_buf);
 
 	return ERR_PTR(ret);
@@ -1052,9 +1052,9 @@ void drm_prime_gem_destroy(struct drm_gem_object *obj, struct sg_table *sg)
 
 	attach = obj->import_attach;
 	if (sg)
-		dma_buf_unmap_attachment(attach, sg, DMA_BIDIRECTIONAL);
+		dma_buf_unmap_attachment_unlocked(attach, sg, DMA_BIDIRECTIONAL);
 	dma_buf = attach->dmabuf;
-	dma_buf_detach(attach->dmabuf, attach);
+	dma_buf_detach_unlocked(attach->dmabuf, attach);
 	/* remove the reference */
 	dma_buf_put(dma_buf);
 }
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c b/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c
index 3fa2da149639..ae6c1eda0a72 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c
@@ -65,7 +65,7 @@ static void etnaviv_gem_prime_release(struct etnaviv_gem_object *etnaviv_obj)
 	struct iosys_map map = IOSYS_MAP_INIT_VADDR(etnaviv_obj->vaddr);
 
 	if (etnaviv_obj->vaddr)
-		dma_buf_vunmap(etnaviv_obj->base.import_attach->dmabuf, &map);
+		dma_buf_vunmap_unlocked(etnaviv_obj->base.import_attach->dmabuf, &map);
 
 	/* Don't drop the pages for imported dmabuf, as they are not
 	 * ours, just free the array we allocated:
@@ -82,7 +82,7 @@ static void *etnaviv_gem_prime_vmap_impl(struct etnaviv_gem_object *etnaviv_obj)
 
 	lockdep_assert_held(&etnaviv_obj->lock);
 
-	ret = dma_buf_vmap(etnaviv_obj->base.import_attach->dmabuf, &map);
+	ret = dma_buf_vmap_unlocked(etnaviv_obj->base.import_attach->dmabuf, &map);
 	if (ret)
 		return NULL;
 	return map.vaddr;
@@ -91,7 +91,7 @@ static void *etnaviv_gem_prime_vmap_impl(struct etnaviv_gem_object *etnaviv_obj)
 static int etnaviv_gem_prime_mmap_obj(struct etnaviv_gem_object *etnaviv_obj,
 		struct vm_area_struct *vma)
 {
-	return dma_buf_mmap(etnaviv_obj->base.dma_buf, vma, 0);
+	return dma_buf_mmap_unlocked(etnaviv_obj->base.dma_buf, vma, 0);
 }
 
 static const struct etnaviv_gem_ops etnaviv_gem_prime_ops = {
diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c
index 3e493f48e0d4..8e95a3c5caf8 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_gem.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c
@@ -366,7 +366,7 @@ static int exynos_drm_gem_mmap(struct drm_gem_object *obj, struct vm_area_struct
 	int ret;
 
 	if (obj->import_attach)
-		return dma_buf_mmap(obj->dma_buf, vma, 0);
+		return dma_buf_mmap_unlocked(obj->dma_buf, vma, 0);
 
 	vma->vm_flags |= VM_IO | VM_DONTEXPAND | VM_DONTDUMP;
 
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c b/drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c
index f5062d0c6333..5ecea7df98b1 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c
@@ -241,8 +241,8 @@ static int i915_gem_object_get_pages_dmabuf(struct drm_i915_gem_object *obj)
 
 	assert_object_held(obj);
 
-	pages = dma_buf_map_attachment(obj->base.import_attach,
-				       DMA_BIDIRECTIONAL);
+	pages = dma_buf_map_attachment_unlocked(obj->base.import_attach,
+						DMA_BIDIRECTIONAL);
 	if (IS_ERR(pages))
 		return PTR_ERR(pages);
 
@@ -270,8 +270,8 @@ static int i915_gem_object_get_pages_dmabuf(struct drm_i915_gem_object *obj)
 static void i915_gem_object_put_pages_dmabuf(struct drm_i915_gem_object *obj,
 					     struct sg_table *pages)
 {
-	dma_buf_unmap_attachment(obj->base.import_attach, pages,
-				 DMA_BIDIRECTIONAL);
+	dma_buf_unmap_attachment_unlocked(obj->base.import_attach, pages,
+					  DMA_BIDIRECTIONAL);
 }
 
 static const struct drm_i915_gem_object_ops i915_gem_object_dmabuf_ops = {
@@ -306,7 +306,7 @@ struct drm_gem_object *i915_gem_prime_import(struct drm_device *dev,
 		return ERR_PTR(-E2BIG);
 
 	/* need to attach */
-	attach = dma_buf_attach(dma_buf, dev->dev);
+	attach = dma_buf_attach_unlocked(dma_buf, dev->dev);
 	if (IS_ERR(attach))
 		return ERR_CAST(attach);
 
@@ -337,7 +337,7 @@ struct drm_gem_object *i915_gem_prime_import(struct drm_device *dev,
 	return &obj->base;
 
 fail_detach:
-	dma_buf_detach(dma_buf, attach);
+	dma_buf_detach_unlocked(dma_buf, attach);
 	dma_buf_put(dma_buf);
 
 	return ERR_PTR(ret);
diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c
index 62c61af77a42..6053af920a22 100644
--- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c
+++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c
@@ -207,13 +207,13 @@ static int igt_dmabuf_import_same_driver(struct drm_i915_private *i915,
 	i915_gem_object_unlock(import_obj);
 
 	/* Now try a fake an importer */
-	import_attach = dma_buf_attach(dmabuf, obj->base.dev->dev);
+	import_attach = dma_buf_attach_unlocked(dmabuf, obj->base.dev->dev);
 	if (IS_ERR(import_attach)) {
 		err = PTR_ERR(import_attach);
 		goto out_import;
 	}
 
-	st = dma_buf_map_attachment(import_attach, DMA_BIDIRECTIONAL);
+	st = dma_buf_map_attachment_unlocked(import_attach, DMA_BIDIRECTIONAL);
 	if (IS_ERR(st)) {
 		err = PTR_ERR(st);
 		goto out_detach;
@@ -226,9 +226,9 @@ static int igt_dmabuf_import_same_driver(struct drm_i915_private *i915,
 		timeout = -ETIME;
 	}
 	err = timeout > 0 ? 0 : timeout;
-	dma_buf_unmap_attachment(import_attach, st, DMA_BIDIRECTIONAL);
+	dma_buf_unmap_attachment_unlocked(import_attach, st, DMA_BIDIRECTIONAL);
 out_detach:
-	dma_buf_detach(dmabuf, import_attach);
+	dma_buf_detach_unlocked(dmabuf, import_attach);
 out_import:
 	i915_gem_object_put(import_obj);
 out_dmabuf:
@@ -296,7 +296,7 @@ static int igt_dmabuf_import(void *arg)
 		goto out_obj;
 	}
 
-	err = dma_buf_vmap(dmabuf, &map);
+	err = dma_buf_vmap_unlocked(dmabuf, &map);
 	dma_map = err ? NULL : map.vaddr;
 	if (!dma_map) {
 		pr_err("dma_buf_vmap failed\n");
@@ -337,7 +337,7 @@ static int igt_dmabuf_import(void *arg)
 
 	err = 0;
 out_dma_map:
-	dma_buf_vunmap(dmabuf, &map);
+	dma_buf_vunmap_unlocked(dmabuf, &map);
 out_obj:
 	i915_gem_object_put(obj);
 out_dmabuf:
@@ -358,7 +358,7 @@ static int igt_dmabuf_import_ownership(void *arg)
 	if (IS_ERR(dmabuf))
 		return PTR_ERR(dmabuf);
 
-	err = dma_buf_vmap(dmabuf, &map);
+	err = dma_buf_vmap_unlocked(dmabuf, &map);
 	ptr = err ? NULL : map.vaddr;
 	if (!ptr) {
 		pr_err("dma_buf_vmap failed\n");
@@ -367,7 +367,7 @@ static int igt_dmabuf_import_ownership(void *arg)
 	}
 
 	memset(ptr, 0xc5, PAGE_SIZE);
-	dma_buf_vunmap(dmabuf, &map);
+	dma_buf_vunmap_unlocked(dmabuf, &map);
 
 	obj = to_intel_bo(i915_gem_prime_import(&i915->drm, dmabuf));
 	if (IS_ERR(obj)) {
@@ -418,7 +418,7 @@ static int igt_dmabuf_export_vmap(void *arg)
 	}
 	i915_gem_object_put(obj);
 
-	err = dma_buf_vmap(dmabuf, &map);
+	err = dma_buf_vmap_unlocked(dmabuf, &map);
 	ptr = err ? NULL : map.vaddr;
 	if (!ptr) {
 		pr_err("dma_buf_vmap failed\n");
@@ -435,7 +435,7 @@ static int igt_dmabuf_export_vmap(void *arg)
 	memset(ptr, 0xc5, dmabuf->size);
 
 	err = 0;
-	dma_buf_vunmap(dmabuf, &map);
+	dma_buf_vunmap_unlocked(dmabuf, &map);
 out:
 	dma_buf_put(dmabuf);
 	return err;
diff --git a/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c b/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c
index 393f82e26927..a725a91c2ff9 100644
--- a/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c
+++ b/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c
@@ -119,13 +119,13 @@ struct drm_gem_object *omap_gem_prime_import(struct drm_device *dev,
 		}
 	}
 
-	attach = dma_buf_attach(dma_buf, dev->dev);
+	attach = dma_buf_attach_unlocked(dma_buf, dev->dev);
 	if (IS_ERR(attach))
 		return ERR_CAST(attach);
 
 	get_dma_buf(dma_buf);
 
-	sgt = dma_buf_map_attachment(attach, DMA_TO_DEVICE);
+	sgt = dma_buf_map_attachment_unlocked(attach, DMA_TO_DEVICE);
 	if (IS_ERR(sgt)) {
 		ret = PTR_ERR(sgt);
 		goto fail_detach;
@@ -142,9 +142,9 @@ struct drm_gem_object *omap_gem_prime_import(struct drm_device *dev,
 	return obj;
 
 fail_unmap:
-	dma_buf_unmap_attachment(attach, sgt, DMA_TO_DEVICE);
+	dma_buf_unmap_attachment_unlocked(attach, sgt, DMA_TO_DEVICE);
 fail_detach:
-	dma_buf_detach(dma_buf, attach);
+	dma_buf_detach_unlocked(dma_buf, attach);
 	dma_buf_put(dma_buf);
 
 	return ERR_PTR(ret);
diff --git a/drivers/gpu/drm/tegra/gem.c b/drivers/gpu/drm/tegra/gem.c
index 81991090adcc..bbfe196ff6f6 100644
--- a/drivers/gpu/drm/tegra/gem.c
+++ b/drivers/gpu/drm/tegra/gem.c
@@ -78,15 +78,15 @@ static struct host1x_bo_mapping *tegra_bo_pin(struct device *dev, struct host1x_
 	if (gem->import_attach) {
 		struct dma_buf *buf = gem->import_attach->dmabuf;
 
-		map->attach = dma_buf_attach(buf, dev);
+		map->attach = dma_buf_attach_unlocked(buf, dev);
 		if (IS_ERR(map->attach)) {
 			err = PTR_ERR(map->attach);
 			goto free;
 		}
 
-		map->sgt = dma_buf_map_attachment(map->attach, direction);
+		map->sgt = dma_buf_map_attachment_unlocked(map->attach, direction);
 		if (IS_ERR(map->sgt)) {
-			dma_buf_detach(buf, map->attach);
+			dma_buf_detach_unlocked(buf, map->attach);
 			err = PTR_ERR(map->sgt);
 			map->sgt = NULL;
 			goto free;
@@ -160,8 +160,9 @@ static struct host1x_bo_mapping *tegra_bo_pin(struct device *dev, struct host1x_
 static void tegra_bo_unpin(struct host1x_bo_mapping *map)
 {
 	if (map->attach) {
-		dma_buf_unmap_attachment(map->attach, map->sgt, map->direction);
-		dma_buf_detach(map->attach->dmabuf, map->attach);
+		dma_buf_unmap_attachment_unlocked(map->attach, map->sgt,
+						  map->direction);
+		dma_buf_detach_unlocked(map->attach->dmabuf, map->attach);
 	} else {
 		dma_unmap_sgtable(map->dev, map->sgt, map->direction, 0);
 		sg_free_table(map->sgt);
@@ -181,7 +182,7 @@ static void *tegra_bo_mmap(struct host1x_bo *bo)
 	if (obj->vaddr) {
 		return obj->vaddr;
 	} else if (obj->gem.import_attach) {
-		ret = dma_buf_vmap(obj->gem.import_attach->dmabuf, &map);
+		ret = dma_buf_vmap_unlocked(obj->gem.import_attach->dmabuf, &map);
 		return ret ? NULL : map.vaddr;
 	} else {
 		return vmap(obj->pages, obj->num_pages, VM_MAP,
@@ -197,7 +198,7 @@ static void tegra_bo_munmap(struct host1x_bo *bo, void *addr)
 	if (obj->vaddr)
 		return;
 	else if (obj->gem.import_attach)
-		dma_buf_vunmap(obj->gem.import_attach->dmabuf, &map);
+		dma_buf_vunmap_unlocked(obj->gem.import_attach->dmabuf, &map);
 	else
 		vunmap(addr);
 }
@@ -453,7 +454,7 @@ static struct tegra_bo *tegra_bo_import(struct drm_device *drm,
 	if (IS_ERR(bo))
 		return bo;
 
-	attach = dma_buf_attach(buf, drm->dev);
+	attach = dma_buf_attach_unlocked(buf, drm->dev);
 	if (IS_ERR(attach)) {
 		err = PTR_ERR(attach);
 		goto free;
@@ -461,7 +462,7 @@ static struct tegra_bo *tegra_bo_import(struct drm_device *drm,
 
 	get_dma_buf(buf);
 
-	bo->sgt = dma_buf_map_attachment(attach, DMA_TO_DEVICE);
+	bo->sgt = dma_buf_map_attachment_unlocked(attach, DMA_TO_DEVICE);
 	if (IS_ERR(bo->sgt)) {
 		err = PTR_ERR(bo->sgt);
 		goto detach;
@@ -479,9 +480,9 @@ static struct tegra_bo *tegra_bo_import(struct drm_device *drm,
 
 detach:
 	if (!IS_ERR_OR_NULL(bo->sgt))
-		dma_buf_unmap_attachment(attach, bo->sgt, DMA_TO_DEVICE);
+		dma_buf_unmap_attachment_unlocked(attach, bo->sgt, DMA_TO_DEVICE);
 
-	dma_buf_detach(buf, attach);
+	dma_buf_detach_unlocked(buf, attach);
 	dma_buf_put(buf);
 free:
 	drm_gem_object_release(&bo->gem);
@@ -508,8 +509,8 @@ void tegra_bo_free_object(struct drm_gem_object *gem)
 		tegra_bo_iommu_unmap(tegra, bo);
 
 	if (gem->import_attach) {
-		dma_buf_unmap_attachment(gem->import_attach, bo->sgt,
-					 DMA_TO_DEVICE);
+		dma_buf_unmap_attachment_unlocked(gem->import_attach, bo->sgt,
+						  DMA_TO_DEVICE);
 		drm_prime_gem_destroy(gem, NULL);
 	} else {
 		tegra_bo_free(gem->dev, bo);
diff --git a/drivers/infiniband/core/umem_dmabuf.c b/drivers/infiniband/core/umem_dmabuf.c
index fce80a4a5147..12b73e6ad054 100644
--- a/drivers/infiniband/core/umem_dmabuf.c
+++ b/drivers/infiniband/core/umem_dmabuf.c
@@ -25,7 +25,8 @@ int ib_umem_dmabuf_map_pages(struct ib_umem_dmabuf *umem_dmabuf)
 	if (umem_dmabuf->sgt)
 		goto wait_fence;
 
-	sgt = dma_buf_map_attachment(umem_dmabuf->attach, DMA_BIDIRECTIONAL);
+	sgt = dma_buf_map_attachment_unlocked(umem_dmabuf->attach,
+					      DMA_BIDIRECTIONAL);
 	if (IS_ERR(sgt))
 		return PTR_ERR(sgt);
 
@@ -96,8 +97,8 @@ void ib_umem_dmabuf_unmap_pages(struct ib_umem_dmabuf *umem_dmabuf)
 		umem_dmabuf->last_sg_trim = 0;
 	}
 
-	dma_buf_unmap_attachment(umem_dmabuf->attach, umem_dmabuf->sgt,
-				 DMA_BIDIRECTIONAL);
+	dma_buf_unmap_attachment_unlocked(umem_dmabuf->attach, umem_dmabuf->sgt,
+					  DMA_BIDIRECTIONAL);
 
 	umem_dmabuf->sgt = NULL;
 }
@@ -143,7 +144,7 @@ struct ib_umem_dmabuf *ib_umem_dmabuf_get(struct ib_device *device,
 	if (!ib_umem_num_pages(umem))
 		goto out_free_umem;
 
-	umem_dmabuf->attach = dma_buf_dynamic_attach(
+	umem_dmabuf->attach = dma_buf_dynamic_attach_unlocked(
 					dmabuf,
 					device->dma_device,
 					ops,
@@ -222,7 +223,7 @@ void ib_umem_dmabuf_release(struct ib_umem_dmabuf *umem_dmabuf)
 		dma_buf_unpin(umem_dmabuf->attach);
 	dma_resv_unlock(dmabuf->resv);
 
-	dma_buf_detach(dmabuf, umem_dmabuf->attach);
+	dma_buf_detach_unlocked(dmabuf, umem_dmabuf->attach);
 	dma_buf_put(dmabuf);
 	kfree(umem_dmabuf);
 }
diff --git a/drivers/media/common/videobuf2/videobuf2-dma-contig.c b/drivers/media/common/videobuf2/videobuf2-dma-contig.c
index 678b359717c4..de762dbdaf78 100644
--- a/drivers/media/common/videobuf2/videobuf2-dma-contig.c
+++ b/drivers/media/common/videobuf2/videobuf2-dma-contig.c
@@ -101,7 +101,7 @@ static void *vb2_dc_vaddr(struct vb2_buffer *vb, void *buf_priv)
 	if (buf->db_attach) {
 		struct iosys_map map;
 
-		if (!dma_buf_vmap(buf->db_attach->dmabuf, &map))
+		if (!dma_buf_vmap_unlocked(buf->db_attach->dmabuf, &map))
 			buf->vaddr = map.vaddr;
 
 		return buf->vaddr;
@@ -711,7 +711,7 @@ static int vb2_dc_map_dmabuf(void *mem_priv)
 	}
 
 	/* get the associated scatterlist for this buffer */
-	sgt = dma_buf_map_attachment(buf->db_attach, buf->dma_dir);
+	sgt = dma_buf_map_attachment_unlocked(buf->db_attach, buf->dma_dir);
 	if (IS_ERR(sgt)) {
 		pr_err("Error getting dmabuf scatterlist\n");
 		return -EINVAL;
@@ -722,7 +722,8 @@ static int vb2_dc_map_dmabuf(void *mem_priv)
 	if (contig_size < buf->size) {
 		pr_err("contiguous chunk is too small %lu/%lu\n",
 		       contig_size, buf->size);
-		dma_buf_unmap_attachment(buf->db_attach, sgt, buf->dma_dir);
+		dma_buf_unmap_attachment_unlocked(buf->db_attach, sgt,
+						  buf->dma_dir);
 		return -EFAULT;
 	}
 
@@ -750,10 +751,10 @@ static void vb2_dc_unmap_dmabuf(void *mem_priv)
 	}
 
 	if (buf->vaddr) {
-		dma_buf_vunmap(buf->db_attach->dmabuf, &map);
+		dma_buf_vunmap_unlocked(buf->db_attach->dmabuf, &map);
 		buf->vaddr = NULL;
 	}
-	dma_buf_unmap_attachment(buf->db_attach, sgt, buf->dma_dir);
+	dma_buf_unmap_attachment_unlocked(buf->db_attach, sgt, buf->dma_dir);
 
 	buf->dma_addr = 0;
 	buf->dma_sgt = NULL;
@@ -768,7 +769,7 @@ static void vb2_dc_detach_dmabuf(void *mem_priv)
 		vb2_dc_unmap_dmabuf(buf);
 
 	/* detach this attachment */
-	dma_buf_detach(buf->db_attach->dmabuf, buf->db_attach);
+	dma_buf_detach_unlocked(buf->db_attach->dmabuf, buf->db_attach);
 	kfree(buf);
 }
 
@@ -792,7 +793,7 @@ static void *vb2_dc_attach_dmabuf(struct vb2_buffer *vb, struct device *dev,
 	buf->vb = vb;
 
 	/* create attachment for the dmabuf with the user device */
-	dba = dma_buf_attach(dbuf, buf->dev);
+	dba = dma_buf_attach_unlocked(dbuf, buf->dev);
 	if (IS_ERR(dba)) {
 		pr_err("failed to attach dmabuf\n");
 		kfree(buf);
diff --git a/drivers/media/common/videobuf2/videobuf2-dma-sg.c b/drivers/media/common/videobuf2/videobuf2-dma-sg.c
index fa69158a65b1..39e11600304a 100644
--- a/drivers/media/common/videobuf2/videobuf2-dma-sg.c
+++ b/drivers/media/common/videobuf2/videobuf2-dma-sg.c
@@ -309,7 +309,7 @@ static void *vb2_dma_sg_vaddr(struct vb2_buffer *vb, void *buf_priv)
 
 	if (!buf->vaddr) {
 		if (buf->db_attach) {
-			ret = dma_buf_vmap(buf->db_attach->dmabuf, &map);
+			ret = dma_buf_vmap_unlocked(buf->db_attach->dmabuf, &map);
 			buf->vaddr = ret ? NULL : map.vaddr;
 		} else {
 			buf->vaddr = vm_map_ram(buf->pages, buf->num_pages, -1);
@@ -565,7 +565,7 @@ static int vb2_dma_sg_map_dmabuf(void *mem_priv)
 	}
 
 	/* get the associated scatterlist for this buffer */
-	sgt = dma_buf_map_attachment(buf->db_attach, buf->dma_dir);
+	sgt = dma_buf_map_attachment_unlocked(buf->db_attach, buf->dma_dir);
 	if (IS_ERR(sgt)) {
 		pr_err("Error getting dmabuf scatterlist\n");
 		return -EINVAL;
@@ -594,10 +594,10 @@ static void vb2_dma_sg_unmap_dmabuf(void *mem_priv)
 	}
 
 	if (buf->vaddr) {
-		dma_buf_vunmap(buf->db_attach->dmabuf, &map);
+		dma_buf_vunmap_unlocked(buf->db_attach->dmabuf, &map);
 		buf->vaddr = NULL;
 	}
-	dma_buf_unmap_attachment(buf->db_attach, sgt, buf->dma_dir);
+	dma_buf_unmap_attachment_unlocked(buf->db_attach, sgt, buf->dma_dir);
 
 	buf->dma_sgt = NULL;
 }
@@ -611,7 +611,7 @@ static void vb2_dma_sg_detach_dmabuf(void *mem_priv)
 		vb2_dma_sg_unmap_dmabuf(buf);
 
 	/* detach this attachment */
-	dma_buf_detach(buf->db_attach->dmabuf, buf->db_attach);
+	dma_buf_detach_unlocked(buf->db_attach->dmabuf, buf->db_attach);
 	kfree(buf);
 }
 
@@ -633,7 +633,7 @@ static void *vb2_dma_sg_attach_dmabuf(struct vb2_buffer *vb, struct device *dev,
 
 	buf->dev = dev;
 	/* create attachment for the dmabuf with the user device */
-	dba = dma_buf_attach(dbuf, buf->dev);
+	dba = dma_buf_attach_unlocked(dbuf, buf->dev);
 	if (IS_ERR(dba)) {
 		pr_err("failed to attach dmabuf\n");
 		kfree(buf);
diff --git a/drivers/media/common/videobuf2/videobuf2-vmalloc.c b/drivers/media/common/videobuf2/videobuf2-vmalloc.c
index 948152f1596b..7831bf545874 100644
--- a/drivers/media/common/videobuf2/videobuf2-vmalloc.c
+++ b/drivers/media/common/videobuf2/videobuf2-vmalloc.c
@@ -376,7 +376,7 @@ static int vb2_vmalloc_map_dmabuf(void *mem_priv)
 	struct iosys_map map;
 	int ret;
 
-	ret = dma_buf_vmap(buf->dbuf, &map);
+	ret = dma_buf_vmap_unlocked(buf->dbuf, &map);
 	if (ret)
 		return -EFAULT;
 	buf->vaddr = map.vaddr;
@@ -389,7 +389,7 @@ static void vb2_vmalloc_unmap_dmabuf(void *mem_priv)
 	struct vb2_vmalloc_buf *buf = mem_priv;
 	struct iosys_map map = IOSYS_MAP_INIT_VADDR(buf->vaddr);
 
-	dma_buf_vunmap(buf->dbuf, &map);
+	dma_buf_vunmap_unlocked(buf->dbuf, &map);
 	buf->vaddr = NULL;
 }
 
@@ -399,7 +399,7 @@ static void vb2_vmalloc_detach_dmabuf(void *mem_priv)
 	struct iosys_map map = IOSYS_MAP_INIT_VADDR(buf->vaddr);
 
 	if (buf->vaddr)
-		dma_buf_vunmap(buf->dbuf, &map);
+		dma_buf_vunmap_unlocked(buf->dbuf, &map);
 
 	kfree(buf);
 }
diff --git a/drivers/media/platform/nvidia/tegra-vde/dmabuf-cache.c b/drivers/media/platform/nvidia/tegra-vde/dmabuf-cache.c
index 69c346148070..58e4595f3a10 100644
--- a/drivers/media/platform/nvidia/tegra-vde/dmabuf-cache.c
+++ b/drivers/media/platform/nvidia/tegra-vde/dmabuf-cache.c
@@ -38,8 +38,8 @@ static void tegra_vde_release_entry(struct tegra_vde_cache_entry *entry)
 	if (entry->vde->domain)
 		tegra_vde_iommu_unmap(entry->vde, entry->iova);
 
-	dma_buf_unmap_attachment(entry->a, entry->sgt, entry->dma_dir);
-	dma_buf_detach(dmabuf, entry->a);
+	dma_buf_unmap_attachment_unlocked(entry->a, entry->sgt, entry->dma_dir);
+	dma_buf_detach_unlocked(dmabuf, entry->a);
 	dma_buf_put(dmabuf);
 
 	list_del(&entry->list);
@@ -95,14 +95,14 @@ int tegra_vde_dmabuf_cache_map(struct tegra_vde *vde,
 		goto ref;
 	}
 
-	attachment = dma_buf_attach(dmabuf, dev);
+	attachment = dma_buf_attach_unlocked(dmabuf, dev);
 	if (IS_ERR(attachment)) {
 		dev_err(dev, "Failed to attach dmabuf\n");
 		err = PTR_ERR(attachment);
 		goto err_unlock;
 	}
 
-	sgt = dma_buf_map_attachment(attachment, dma_dir);
+	sgt = dma_buf_map_attachment_unlocked(attachment, dma_dir);
 	if (IS_ERR(sgt)) {
 		dev_err(dev, "Failed to get dmabufs sg_table\n");
 		err = PTR_ERR(sgt);
@@ -152,9 +152,9 @@ int tegra_vde_dmabuf_cache_map(struct tegra_vde *vde,
 err_free:
 	kfree(entry);
 err_unmap:
-	dma_buf_unmap_attachment(attachment, sgt, dma_dir);
+	dma_buf_unmap_attachment_unlocked(attachment, sgt, dma_dir);
 err_detach:
-	dma_buf_detach(dmabuf, attachment);
+	dma_buf_detach_unlocked(dmabuf, attachment);
 err_unlock:
 	mutex_unlock(&vde->map_lock);
 
diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c
index 93ebd174d848..558e8056eb80 100644
--- a/drivers/misc/fastrpc.c
+++ b/drivers/misc/fastrpc.c
@@ -310,9 +310,9 @@ static void fastrpc_free_map(struct kref *ref)
 				return;
 			}
 		}
-		dma_buf_unmap_attachment(map->attach, map->table,
-					 DMA_BIDIRECTIONAL);
-		dma_buf_detach(map->buf, map->attach);
+		dma_buf_unmap_attachment_unlocked(map->attach, map->table,
+						  DMA_BIDIRECTIONAL);
+		dma_buf_detach_unlocked(map->buf, map->attach);
 		dma_buf_put(map->buf);
 	}
 
@@ -719,14 +719,14 @@ static int fastrpc_map_create(struct fastrpc_user *fl, int fd,
 		goto get_err;
 	}
 
-	map->attach = dma_buf_attach(map->buf, sess->dev);
+	map->attach = dma_buf_attach_unlocked(map->buf, sess->dev);
 	if (IS_ERR(map->attach)) {
 		dev_err(sess->dev, "Failed to attach dmabuf\n");
 		err = PTR_ERR(map->attach);
 		goto attach_err;
 	}
 
-	map->table = dma_buf_map_attachment(map->attach, DMA_BIDIRECTIONAL);
+	map->table = dma_buf_map_attachment_unlocked(map->attach, DMA_BIDIRECTIONAL);
 	if (IS_ERR(map->table)) {
 		err = PTR_ERR(map->table);
 		goto map_err;
@@ -763,7 +763,7 @@ static int fastrpc_map_create(struct fastrpc_user *fl, int fd,
 	return 0;
 
 map_err:
-	dma_buf_detach(map->buf, map->attach);
+	dma_buf_detach_unlocked(map->buf, map->attach);
 attach_err:
 	dma_buf_put(map->buf);
 get_err:
diff --git a/drivers/xen/gntdev-dmabuf.c b/drivers/xen/gntdev-dmabuf.c
index 940e5e9e8a54..5a50e2697e95 100644
--- a/drivers/xen/gntdev-dmabuf.c
+++ b/drivers/xen/gntdev-dmabuf.c
@@ -592,7 +592,7 @@ dmabuf_imp_to_refs(struct gntdev_dmabuf_priv *priv, struct device *dev,
 	gntdev_dmabuf->priv = priv;
 	gntdev_dmabuf->fd = fd;
 
-	attach = dma_buf_attach(dma_buf, dev);
+	attach = dma_buf_attach_unlocked(dma_buf, dev);
 	if (IS_ERR(attach)) {
 		ret = ERR_CAST(attach);
 		goto fail_free_obj;
@@ -600,7 +600,7 @@ dmabuf_imp_to_refs(struct gntdev_dmabuf_priv *priv, struct device *dev,
 
 	gntdev_dmabuf->u.imp.attach = attach;
 
-	sgt = dma_buf_map_attachment(attach, DMA_BIDIRECTIONAL);
+	sgt = dma_buf_map_attachment_unlocked(attach, DMA_BIDIRECTIONAL);
 	if (IS_ERR(sgt)) {
 		ret = ERR_CAST(sgt);
 		goto fail_detach;
@@ -658,9 +658,9 @@ dmabuf_imp_to_refs(struct gntdev_dmabuf_priv *priv, struct device *dev,
 fail_end_access:
 	dmabuf_imp_end_foreign_access(gntdev_dmabuf->u.imp.refs, count);
 fail_unmap:
-	dma_buf_unmap_attachment(attach, sgt, DMA_BIDIRECTIONAL);
+	dma_buf_unmap_attachment_unlocked(attach, sgt, DMA_BIDIRECTIONAL);
 fail_detach:
-	dma_buf_detach(dma_buf, attach);
+	dma_buf_detach_unlocked(dma_buf, attach);
 fail_free_obj:
 	dmabuf_imp_free_storage(gntdev_dmabuf);
 fail_put:
@@ -708,10 +708,10 @@ static int dmabuf_imp_release(struct gntdev_dmabuf_priv *priv, u32 fd)
 	attach = gntdev_dmabuf->u.imp.attach;
 
 	if (gntdev_dmabuf->u.imp.sgt)
-		dma_buf_unmap_attachment(attach, gntdev_dmabuf->u.imp.sgt,
-					 DMA_BIDIRECTIONAL);
+		dma_buf_unmap_attachment_unlocked(attach, gntdev_dmabuf->u.imp.sgt,
+						  DMA_BIDIRECTIONAL);
 	dma_buf = attach->dmabuf;
-	dma_buf_detach(attach->dmabuf, attach);
+	dma_buf_detach_unlocked(attach->dmabuf, attach);
 	dma_buf_put(dma_buf);
 
 	dmabuf_imp_free_storage(gntdev_dmabuf);
diff --git a/include/linux/dma-buf.h b/include/linux/dma-buf.h
index 71731796c8c3..9ab09569dec1 100644
--- a/include/linux/dma-buf.h
+++ b/include/linux/dma-buf.h
@@ -601,14 +601,16 @@ dma_buf_attachment_is_dynamic(struct dma_buf_attachment *attach)
 	return !!attach->importer_ops;
 }
 
-struct dma_buf_attachment *dma_buf_attach(struct dma_buf *dmabuf,
-					  struct device *dev);
+struct dma_buf_attachment *dma_buf_attach_unlocked(struct dma_buf *dmabuf,
+						   struct device *dev);
 struct dma_buf_attachment *
-dma_buf_dynamic_attach(struct dma_buf *dmabuf, struct device *dev,
-		       const struct dma_buf_attach_ops *importer_ops,
-		       void *importer_priv);
-void dma_buf_detach(struct dma_buf *dmabuf,
-		    struct dma_buf_attachment *attach);
+dma_buf_dynamic_attach_unlocked(struct dma_buf *dmabuf, struct device *dev,
+				const struct dma_buf_attach_ops *importer_ops,
+				void *importer_priv);
+
+void dma_buf_detach_unlocked(struct dma_buf *dmabuf,
+			     struct dma_buf_attachment *attach);
+
 int dma_buf_pin(struct dma_buf_attachment *attach);
 void dma_buf_unpin(struct dma_buf_attachment *attach);
 
@@ -618,18 +620,20 @@ int dma_buf_fd(struct dma_buf *dmabuf, int flags);
 struct dma_buf *dma_buf_get(int fd);
 void dma_buf_put(struct dma_buf *dmabuf);
 
-struct sg_table *dma_buf_map_attachment(struct dma_buf_attachment *,
-					enum dma_data_direction);
-void dma_buf_unmap_attachment(struct dma_buf_attachment *, struct sg_table *,
-				enum dma_data_direction);
+struct sg_table *dma_buf_map_attachment_unlocked(struct dma_buf_attachment *,
+						 enum dma_data_direction);
+void dma_buf_unmap_attachment_unlocked(struct dma_buf_attachment *,
+				       struct sg_table *,
+				       enum dma_data_direction);
+
 void dma_buf_move_notify(struct dma_buf *dma_buf);
 int dma_buf_begin_cpu_access(struct dma_buf *dma_buf,
 			     enum dma_data_direction dir);
 int dma_buf_end_cpu_access(struct dma_buf *dma_buf,
 			   enum dma_data_direction dir);
 
-int dma_buf_mmap(struct dma_buf *, struct vm_area_struct *,
-		 unsigned long);
-int dma_buf_vmap(struct dma_buf *dmabuf, struct iosys_map *map);
-void dma_buf_vunmap(struct dma_buf *dmabuf, struct iosys_map *map);
+int dma_buf_mmap_unlocked(struct dma_buf *, struct vm_area_struct *,
+			  unsigned long);
+int dma_buf_vmap_unlocked(struct dma_buf *dmabuf, struct iosys_map *map);
+void dma_buf_vunmap_unlocked(struct dma_buf *dmabuf, struct iosys_map *map);
 #endif /* __DMA_BUF_H__ */
